Standard Ignition AS456 Manifold Absolute Pressure Sensor

Reliable Manifold Absolute Pressure Sensor for Subaru Vehicles

The Standard Ignition AS456 Manifold Absolute Pressure Sensor is designed to provide accurate engine load data for optimal performance. Compatible with Subaru Forester, Impreza, Legacy, and Outback models, this sensor ensures precise air pressure readings within the intake manifold.

• Direct replacement for factory MAP sensor
• Compatible with Subaru Forester, Impreza, Legacy, and Outback
• Part number AS456 for easy identification
• Measures manifold absolute pressure to optimize engine control
• Durable construction for consistent performance

Product Details and Compatibility

The Standard Ignition AS456 Manifold Absolute Pressure Sensor is engineered to meet OEM specifications for Subaru vehicles including Forester, Impreza, Legacy, and Outback models. This sensor monitors the absolute pressure inside the intake manifold, providing critical data to the engine control unit (ECU) for fuel delivery and ignition timing adjustments. Accurate readings from the AS456 sensor help maintain engine efficiency and emissions control.

Common Applications and Problem Resolution

This MAP sensor is used to monitor intake manifold pressure, which is essential for proper engine management. It can help address issues such as:

• Erratic engine idling or stalling
• Poor fuel economy or increased emissions
• Check engine light triggered by pressure sensor faults
• Reduced engine power or hesitation during acceleration
• Difficulty starting the engine in various conditions

Installation Notes and Tips

Installation of the Standard Ignition AS456 sensor requires basic mechanical skills and proper tools. Before installation, ensure the engine is cool and disconnect the battery. Remove the old sensor carefully to avoid damage to the intake manifold or wiring harness. After installing the new sensor, clear any diagnostic trouble codes and verify proper operation through a scan tool or test drive.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The AS456 Manifold Absolute Pressure Sensor undergoes rigorous quality control testing. Warranty coverage details should be confirmed at the time of purchase, typically including protection against defects in materials and workmanship.